The Chelsea 281 Series Power Take-Off, part number 281GCFJP-B5XV or 281GCFJPB5XV, is a hydraulically shifted hot-shift PTO engineered for automatic transmissions with a 10-bolt aperture, including Allison and Caterpillar applications. It is an evolution of the 280 Series platform, adding a ductile iron bearing cap rated 117% stronger than gray iron, an O-ring sealing configuration between the housing and bearing cap for improved clamp load, and an enhanced clutch pack with 80% thicker steel discs to resist premature tooth wear. Nine speed ratios cover both low and high operating ranges. Rotatable cast-iron flanges reduce pump clearance conflicts, and a Positive Stop for driveline outputs eliminates oil seal damage from coupling contact. A genuine Chelsea part sold by Pro Gear and Transmission. Call us to confirm proper fit for your transmission and application.
Interchanges:
- 3252PBE633IC
Features
Ductile iron bearing cap, 117% stronger than gray iron predecessor
O-ring sealing configuration between housing and bearing cap for improved clamp load
Enhanced clutch pack with 80% thicker steel discs to resist premature tooth wear
Nine speed ratios including low and high-speed ranges
Wet Spline Lubrication option provides 7 to 10 times greater shaft life
Electronic Overspeed Control (EOC) protects driven equipment from overspeed damage
SmartStart reduces shock load at start-up for compatible applications
Positive Stop for driveline outputs eliminates oil seal damage from coupling contact
Tech Specs
- Mounting Type: 10-Bolt
- Shift Type: PowerShift (Hydraulic)
- Transmission Compatibility: Allison and Caterpillar automatic transmissions
- Continuous Operation: Yes
- Speed Ratios: Nine (includes low and high-speed ratios)
- Lubrication Options: Pressure Lube (P) or Wet Spline (W)
- Output Types: SAE B Pump Flange, SAE C Pump Flange, ISO 7652 Pump Flange, Driveline
Additional Information
Parts manual and diagrams: Chelsea 281 Series PTO parts list with prices
